About: http://webisa.webdatacommons.org/110817847

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	I have tried to correct the small problems of your code; here is a version with only the needed packages.
http://www.w3.org/ns/prov#wasQuotedFrom	stackexchange.com